package com.atguigu.gmall.product.controller;

import com.atguigu.gmall.common.result.Result;
import io.minio.BucketExistsArgs;
import io.minio.MakeBucketArgs;
import io.minio.MinioClient;
import io.minio.PutObjectArgs;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.util.UUID;

@RestController
@RequestMapping("admin/product")
public class FileUploadController {

    //  获取文件上传对应的地址
    @Value("${minio.endpointUrl}")
    public String endpointUrl;

    @Value("${minio.accessKey}")
    public String accessKey;

    @Value("${minio.secreKey}")
    public String secreKey;

    @Value("${minio.bucketName}")
    public String bucketName;

    @PostMapping("fileUpload")
    public Result fileUpload(MultipartFile file)throws  Exception{

        String url ="";

        // 构建 minio client
        MinioClient minioClient = MinioClient.builder()
                .endpoint(endpointUrl)
                .credentials(accessKey, secreKey)
                .build();

        // 判断桶是不是存在，不存在创建桶

        boolean isExists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
        if (isExists){
            System.out.println("bucket is exist.. ");
        }else{
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
        }
        // 文件上传
        //文件新的名称  当前时间毫秒值+随机UUID的字符串
        String fileName =  System.currentTimeMillis()+ UUID.randomUUID().toString();

        //用putObject上传一个文件到存储桶中
        minioClient.putObject(
                PutObjectArgs.builder()
                        .bucket(bucketName)
                        .object(fileName)
                        .stream(file.getInputStream(),file.getSize(),-1)
                        .contentType(file.getContentType())
                        .build()
        );

        //构建完整地址
        url =endpointUrl+"/"+bucketName+"/"+fileName;


        return Result.ok(url);
    }

}
